This computer component is black on one side with six groups of wires coming out of the edge. Each group of wires is divided into three parts, with the wires of each part diverging into three ...

They called it an "electronic brain," and it took up most of the room. It was the latest technology available to the University or Arizona. It was an IBM Type 650 Computer being installed at the UA.

From at least 1955, IBM released Customer Engineering Memorandums describing changing so be made to IBM 650 computers by customer engineers. This is a compilation listing those memoranda still of ...

Computer operators at Lawrence Livermore work at IBM 650 computer consoles, October 1956. Lawrence Livermore accepted delivery of its first IBM computer in 1954. Image courtesy of Lawrence Livermore ...